Description
Our two 76-series TriMode listings split on bandwidth, and the Tektronix P7633 TriMode probe takes the higher figure: 33 GHz. Its sibling, the P7625, stops at 25 GHz. A TriMode probe is an active differential probe from Tektronix. So one tip setup can show the differential, single-ended and common-mode view of a signal. Lost in HCM rents and sells it, and it can arrange service on request.
Signals that need 33 GHz
Fast serial lanes carry harmonics far above their bit rate. Therefore extra probe bandwidth keeps edges and eye openings closer to what the silicon really sends. For example, signal integrity teams use this class of probe on high-speed lanes, retimers and fast clock paths. It also helps when a design must pass strict compliance checks.
Key figures for the Tektronix P7633 TriMode probe
| Item | Listed value |
|---|---|
| Bandwidth | 33 GHz |
| Input impedance | 50 Ω / 225 Ω, depends on configuration |
| Attenuation, coax | 0.25X, 0.5X, 1X, 2X, 4X |
| Attenuation with P76TA | 1.25X, 2.5X, 5X, 10X, 20X |
| Maximum input | ±5 V DC + peak AC |
| Listed platforms | DPO/DSA/MSO70000 and 7 Series DPO |
Matching the probe to your scope
The listing names DPO/DSA/MSO70000 and 7 Series DPO oscilloscopes as compatible platforms. In addition, the P76TA tip adapter extends the attenuation range up to 20X. However, total system bandwidth depends on the scope, tips and adapters together. So share your scope model and tip plan before you order.
Care on the bench
Keep every input to the Tektronix P7633 TriMode probe inside ±5 V DC plus peak AC. Also store tips and adapters in their case, because a bent tip costs signal quality. Then follow the manufacturer’s manual and ratings for setup and handling.
Rent for a validation run or buy for the lab
A rental suits a compliance push, a new board bring-up or a short design peak. Buying makes sense when your lab runs very fast tests every week. Either way, request a quote from Lost in HCM with your scope model, tip needs and signal range. You can also browse our oscilloscope probes, find manuals at Tektronix or contact SMK Vietnam.
P7633 FAQ
How does the P7633 differ from the P7625?
Bandwidth is the difference in the listings: 33 GHz here and 25 GHz on the P7625. Other listed figures, such as the ±5 V input range, match.
Which oscilloscopes does the listing name?
It names DPO/DSA/MSO70000 and 7 Series DPO platforms.
What does the P76TA add?
According to the listing, it adds attenuation steps from 1.25X up to 20X.
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